↶ lobby · fable · hijack · zh_huo_q · Feature / Hyperparameter · BA

one fable-low hijack cell

pair Feature / Hyperparameter envelope zh_huo_q ordering BA effort low

Chinese '或' with explicit question marker — '{X}或{Y}？'

response (200 chars)

# Feature 或 Hyperparameter?

这是机器学习中两个容易混淆的概念,核心区别如下:

## Feature(特征)
- **是什么**:输入数据的属性/变量,描述样本本身
- **来源**:从数据中提取或构造
- **例子**:
  - 房价预测:面积、地段、房龄
  - 图像分类:像素值、边缘特征
  - 文本分类:词频、TF-IDF 向量
- **谁决定**:数据本身

neighbors

ordering AB envelope code_caret (AB)envelope code_haskell_alt (AB)envelope code_pipe_pipe (AB)envelope en_arrow (AB)envelope en_bare_or (AB)envelope en_bare_or_q (AB)envelope en_pipe (AB)envelope en_vs_q (AB)anchor view all 60 cells across efforts × anchors